package nettypro.netty.tcp;

import io.netty.buffer.ByteBuf;
import io.netty.buffer.Unpooled;
import io.netty.channel.ChannelHandlerContext;
import io.netty.channel.SimpleChannelInboundHandler;

import java.nio.charset.Charset;

/**
 * @ClassName MyClientHandler
 * @Description TODO
 * @Author zeny
 * @Date 2020/3/26 0026 13:39
 */
public class MyClientHandler extends SimpleChannelInboundHandler<ByteBuf> {
    private int count;
    @Override
    protected void channelRead0(ChannelHandlerContext ctx, ByteBuf msg) throws Exception {
        byte[] bytes = new byte[msg.readableBytes()];
        msg.readBytes(bytes);
        String message = new String(bytes, Charset.forName("utf-8"));
        System.out.println("客户端接收到消息: " + message);
        System.out.println("客户端接收到消息: " + (++this.count));
    }

    @Override
    public void channelActive(ChannelHandlerContext ctx) throws Exception {
        for (int i = 0; i < 10; i++) {
            ByteBuf buffer = Unpooled.copiedBuffer("hello, server" + i, Charset.forName("utf-8"));
            ctx.writeAndFlush(buffer);
        }
    }

    @Override
    public void exceptionCaught(ChannelHandlerContext ctx, Throwable cause) throws Exception {
        ctx.close();
    }
}
